[c-nsp] Incomplete ARP entires

Jon Lewis jlewis at lewis.org
Fri Oct 22 08:05:12 EDT 2004


On Fri, 22 Oct 2004, kerwin m wrote:

> One of the clients have been complaing  of a pathetic response from
> the ISP on doing an investigation its noticed that on their Router the
> fastetherenet which connects the LAN is having CRC's and also there is
> a huge amount of drops in the input queue, this was noticed on the
> Fastethernet interface, another thing is that in the Router's ARP
> table i see a lot of incomplete entries in the MAC row.

The incomplete entries could be due to scanning/probing of unused
addresses in the LAN subnet from the internet.  I see that all the time.

----------------------------------------------------------------------
 Jon Lewis                   |  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |
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